Polyolefin Shrink Film- The reduced packaging type has become a favored choice for packaging, comestible and indigestible products. Polyolefin heat shrink film doesn't contain chlorine; thus, they don't produce hydrogen chloride gas. Polyolefin shrink serape doesn't contain plasticizers, so the temperature isn't a problem. Polyolefin can be stored at colorful temperatures and isn't as hard and soft in different areas as a thin film of PVC.